fggradient.h

//---------------------------------------------------------------------------

#ifndef fggradientH
#define fggradientH

#ifdef FG_NAMESPACE
namespace fgl {
#endif

/* HJH modification: protect compiler options for structure alignment and enum
 * size if the compiler is Borland C++ */
#ifdef __BORLANDC__
#pragma option push -b
#pragma option push -a4
#endif

class FGGradient
{
    public:
        enum FGGradientMode { Wrap, Reflect, Repeat };
        enum FGGradientFunction { Linear, LinearXY, Radial, Diamond, Conic, Sqrt };

    private:
        FGGradientMode mode;
        FGGradientFunction fnc;

        void* array;                // The gradient colors

        void init();

    public:
        FGGradient();
        ~FGGradient();

        FGGradient(FGColor& _start_color, FGColor& _end_color);
        FGGradient(FGColor& _start_color, FGColor& _middle_color, FGColor& _end_color);

        void SetFunction(FGGradientFunction f) { fnc = f; }
        void SetMode(FGGradientMode m) { mode = m; }

        void Draw(FGDrawBuffer& image, FGPoint& _start_point, FGPoint& _end_point, FGRect* rectangle=0);

        void Draw(FGDrawBuffer& image, FGRect* rectangle=0);
};

#ifdef __BORLANDC__
#pragma option pop /* pop -a switch */
#pragma option pop /* pop -b */
#endif

#ifdef FG_NAMESPACE
}
#endif

//---------------------------------------------------------------------------
#endif

---